/* ============================================
   CSS変数定義
   ============================================ */
:root {
    /* カラーパレット */
    --color-primary: #38bdf8;
    --color-primary-rgb: 56, 189, 248;
    --color-primary-light: rgba(34, 211, 238, 0.35);
    --color-success: #22c55e;
    --color-success-dark: #16a34a;
    --color-danger: #ef4444;
    --color-danger-dark: #dc2626;
    --color-danger-light: #f87171;
    
    /* 背景色 */
    --bg-primary: #0b0f1a;
    --bg-panel: rgba(15, 23, 42, 0.95);
    --bg-panel-alt: rgba(30, 41, 59, 0.92);
    --bg-panel-dark: rgba(30, 41, 59, 0.4);
    --bg-panel-darker: rgba(51, 65, 85, 0.6);
    --bg-panel-light: rgba(51, 65, 85, 0.4);
    
    /* テキスト色 */
    --text-primary: #f1f5f9;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-disabled: #64748b;
    
    /* ボーダー */
    --border-color-primary: rgba(var(--color-primary-rgb), 0.2);
    --border-color-light: rgba(255, 255, 255, 0.1);
    --border-color-very-light: rgba(255, 255, 255, 0.05);
    --border-width: 1.5px;
    
    /* スペーシング */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 15px;
    --spacing-xl: 18px;
    --spacing-2xl: 20px;
    --spacing-3xl: 22px;
    --spacing-4xl: 24px;
    
    /* ボーダー半径 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 14px;
    --radius-2xl: 16px;
    --radius-3xl: 20px;
    --radius-full: 50%;
    
    /* フォント */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-alt: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-2xl: 0 10px 50px rgba(0, 0, 0, 0.6);
    --shadow-3xl: 0 16px 64px rgba(0, 0, 0, 0.6);
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* ブレ効果 */
    --blur-sm: 6px;
    --blur-md: 12px;
    --blur-lg: 16px;
    --blur-xl: 20px;
    
    /* z-index */
    --z-base: 10;
    --z-panel: 15;
    --z-modal: 20;
    --z-toast: 100;
    --z-overlay: 100;
}

/* ============================================
   基本スタイル
   ============================================ */
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: var(--bg-primary);
}

#map {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100%;
}

/* ============================================
   共通パネルスタイル
   ============================================ */
.panel-base {
    background: linear-gradient(145deg, var(--bg-panel), var(--bg-panel-alt));
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    color: var(--text-primary);
    font-family: var(--font-family);
    border: var(--border-width) solid var(--border-color-primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.panel-header-base {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-3xl);
    border-bottom: var(--border-width) solid var(--border-color-primary);
    background: var(--bg-panel-dark);
    border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
}

.panel-header-base h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.15em;
    font-weight: 700;
}

/* ============================================
   情報パネル
   ============================================ */
.info-panel {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    padding: var(--spacing-2xl) var(--spacing-4xl);
    border-radius: var(--radius-2xl);
    z-index: var(--z-base);
    line-height: 1.7;
    min-width: 260px;
    max-width: 320px;
}

.info-panel,
.route-search-panel,
.facility-list-panel,
.navigation-modal,
.facility-select-panel {
    background: linear-gradient(145deg, var(--bg-panel), var(--bg-panel-alt));
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    color: var(--text-primary);
    font-family: var(--font-family);
    border: var(--border-width) solid var(--border-color-primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.station-selector-inline {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(var(--color-primary-rgb), 0.15);
}

.station-selector-inline select,
.floor-select {
    background: linear-gradient(145deg, rgba(51, 65, 85, 0.9), var(--bg-panel-alt));
    color: var(--text-primary);
    border: var(--border-width) solid rgba(var(--color-primary-rgb), 0.25);
    border-radius: var(--radius-lg);
    padding: 11px var(--spacing-2xl);
    font-size: 15px;
    cursor: pointer;
    width: 100%;
    font-family: inherit;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2338bdf8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-md) center;
    background-repeat: no-repeat;
    background-size: 18px;
    padding-right: 40px;
    font-weight: 500;
}

.station-selector-inline select:hover,
.floor-select:hover {
    border-color: rgba(var(--color-primary-rgb), 0.5);
    background-color: rgba(51, 65, 85, 0.9);
}

.station-selector-inline select:focus,
.floor-select:focus {
    outline: none;
    border-color: rgba(var(--color-primary-rgb), 0.6);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.hierarchy-controls {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(var(--color-primary-rgb), 0.15);
}

.hierarchy-control-header {
    margin-bottom: 10px;
}

.hierarchy-toggle-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.toggle-label {
    color: var(--text-tertiary);
    font-size: 0.9em;
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(51, 65, 85, 0.8);
    border: var(--border-width) solid var(--border-color-primary);
    transition: var(--transition-normal);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 2px;
    background: var(--text-muted);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.4), var(--color-primary-light));
    border-color: rgba(var(--color-primary-rgb), 0.6);
    box-shadow: 0 0 12px rgba(var(--color-primary-rgb), 0.3);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
    background: var(--color-primary);
    box-shadow: 0 0 8px rgba(var(--color-primary-rgb), 0.5);
}

.toggle-slider:hover {
    border-color: rgba(var(--color-primary-rgb), 0.4);
}

.floor-selector-dropdown {
    margin-top: 10px;
    display: none;
    animation: slideDown var(--transition-normal) ease-out;
}

.floor-selector-dropdown.show {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.floor-select {
    padding: 10px var(--spacing-xl);
    font-size: 14px;
}

b {
    color: var(--color-primary);
}

/* ============================================
   ポップアップ
   ============================================ */
.node-popup,
.space-popup {
    background: var(--bg-panel);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: var(--radius-md);
    padding: 10px;
    color: var(--text-primary);
    font-family: var(--font-family-alt);
    font-size: 0.9em;
    box-shadow: var(--shadow-lg);
}

.node-popup h3,
.space-popup h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-primary);
    font-size: 1em;
    border-bottom: 1px solid var(--border-color-primary);
    padding-bottom: var(--spacing-xs);
}

.node-popup .info-row,
.space-popup .info-row {
    margin: var(--spacing-xs) 0;
    display: flex;
    justify-content: space-between;
}

.node-popup .info-label,
.space-popup .info-label {
    color: var(--text-muted);
    font-size: 0.85em;
}

.node-popup .info-value,
.space-popup .info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.85em;
}

.maplibregl-popup.node-info-popup .maplibregl-popup-content,
.maplibregl-popup.space-info-popup .maplibregl-popup-content {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
}

.maplibregl-popup.node-info-popup .maplibregl-popup-tip,
.maplibregl-popup.space-info-popup .maplibregl-popup-tip {
    border: none;
    box-shadow: none;
}

/* ============================================
   経路検索パネル
   ============================================ */
.route-search-panel {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-3xl);
    z-index: var(--z-base);
    min-width: 300px;
    max-width: 340px;
    max-height: 80vh;
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
    transition: all 0.3s ease, opacity 0.3s ease;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
    overflow-x: hidden;
}

.route-search-panel.collapsed {
    opacity: 0;
    visibility: hidden;
    transform: translateX(calc(100% + var(--spacing-lg)));
    pointer-events: none;
}

.route-panel-toggle-btn {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(var(--color-primary-rgb), 0.2);
    border: 1px solid var(--border-color-primary);
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: calc(var(--z-base) + 1);
}

.route-panel-toggle-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.3);
    transform: scale(1.05);
}

.route-panel-toggle-btn:active {
    transform: scale(0.95);
}

.route-search-panel.collapsed .route-panel-toggle-btn::before {
    content: '≡';
    position: absolute;
    font-size: 1.5em;
    opacity: 0;
}

.route-panel-floating-toggle {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.3), rgba(var(--color-primary-rgb), 0.15));
    border: 1px solid var(--border-color-primary);
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: calc(var(--z-base) + 1);
    box-shadow: var(--shadow-lg);
    animation: pulseFloat 2s ease-in-out infinite;
}

.route-panel-floating-toggle:hover {
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.4), rgba(var(--color-primary-rgb), 0.25));
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.route-panel-floating-toggle:active {
    transform: scale(0.95);
}

@keyframes pulseFloat {
    0%, 100% {
        box-shadow: var(--shadow-lg);
    }
    50% {
        box-shadow: var(--shadow-xl), 0 0 20px rgba(var(--color-primary-rgb), 0.3);
    }
}
.route-search-panel:not(.collapsed) .route-panel-toggle-btn {
    display: none;
}

.route-search-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: var(--border-width) solid rgba(var(--color-primary-rgb), 0.15);
}

.route-search-panel-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.route-search-mode {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.1);
}

.route-mode-tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(30, 41, 59, 0.9);
    border-radius: var(--radius-sm);
    padding: 3px;
    border: 1px solid var(--border-color-light);
}

.route-mode-tab {
    flex: 1;
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-radius: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: 0.8em;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.route-mode-tab:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.route-mode-tab.active {
    background: rgba(var(--color-primary-rgb), 0.3);
    color: var(--color-primary);
    font-weight: 500;
}

.route-control-section {
    background: var(--bg-panel-dark);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: 10px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.1);
    transition: var(--transition-fast);
}

.route-control-section:hover {
    background: rgba(30, 41, 59, 0.75);
    border-color: var(--border-color-primary);
}

.route-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 10px;
}

.route-section-icon {
    width: var(--spacing-4xl);
    height: var(--spacing-4xl);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.route-section-icon.start-icon {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: white;
}

.route-section-icon.end-icon {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-dark));
    color: white;
}

.route-section-label {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.3px;
}

.route-selection-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: 10px;
}

.route-select-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--bg-panel-darker);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 10px var(--spacing-md);
    font-size: 0.8em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.route-select-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    color: var(--text-secondary);
    transform: translateY(-1px);
}

.route-select-btn.active {
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.25), var(--color-primary-light));
    border-color: rgba(var(--color-primary-rgb), 0.5);
    color: var(--color-primary);
    box-shadow: 0 0 12px rgba(var(--color-primary-rgb), 0.2);
}

.route-select-btn svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.route-select-btn.active svg {
    opacity: 1;
}

.route-selected-info {
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 20px;
}

.route-info-text {
    color: var(--text-muted);
    font-size: 0.82em;
    display: block;
    word-break: break-all;
}

.route-info-text:not(:empty):not([data-empty="true"]) {
    color: var(--text-secondary);
}

.route-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xs) 0;
    color: var(--text-disabled);
    transform: rotate(90deg);
}

.play-route-btn {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.9), rgba(22, 163, 74, 0.9));
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.play-route-btn:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 1), rgba(22, 163, 74, 1));
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.play-route-btn:active {
    transform: scale(0.95);
}

.route-btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--bg-panel-darker);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 10px var(--spacing-2xl);
    font-size: 0.85em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    font-family: inherit;
}

.route-btn-secondary:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.route-btn-secondary svg {
    opacity: 0.7;
}

.route-btn-secondary:hover svg {
    opacity: 1;
}

.route-actions {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ============================================
   スペース情報パネル
   ============================================ */
.space-info-panel {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(var(--blur-sm));
    color: var(--text-primary);
    padding: 10px var(--spacing-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-family-alt);
    font-size: 0.8em;
    z-index: var(--z-base);
    border: 1px solid var(--border-color-light);
    box-shadow: var(--shadow-sm);
    max-width: 250px;
    line-height: 1.4;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.space-info-panel.show {
    opacity: 1;
    transform: translateY(0);
}

#space-info-content {
    color: var(--text-tertiary);
}

#space-info-content .space-category {
    font-weight: 500;
    color: var(--color-primary);
    font-size: 0.9em;
    margin-bottom: var(--spacing-xs);
}

#space-info-content .space-code {
    font-size: 0.75em;
    opacity: 0.6;
    color: var(--text-muted);
    margin-top: 2px;
}

#space-info-content .space-name {
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.85em;
}

/* ============================================
   施設リストパネル
   ============================================ */
.facility-list-panel {
    position: absolute;
    top: 70px;
    left: var(--spacing-lg);
    border-radius: var(--radius-3xl);
    z-index: var(--z-panel);
    border: var(--border-width) solid var(--border-color-primary);
    box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    width: 360px;
    max-height: calc(100vh - 90px);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
}

.facility-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-3xl);
    border-bottom: var(--border-width) solid var(--border-color-primary);
    background: var(--bg-panel-dark);
    border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
}

.facility-list-header h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.15em;
    font-weight: 700;
}

.facility-list-header-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn,
.navigation-close-btn {
    background: var(--bg-panel-darker);
    border: none;
    color: var(--text-muted);
    font-size: 1.3em;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.close-btn:hover,
.navigation-close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger-light);
}

.facility-list-content {
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.facility-list-floor,
.facility-select-floor {
    margin-bottom: var(--spacing-2xl);
    background: var(--bg-panel-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color-very-light);
}

.facility-list-floor:last-child,
.facility-select-floor:last-child {
    margin-bottom: 0;
}

.facility-list-floor-title,
.facility-select-floor-title {
    color: var(--text-secondary);
    font-size: 0.9em;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.15), rgba(var(--color-primary-rgb), 0.05));
    border-left: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: sticky;
    top: 0;
    z-index: 1;
}

.facility-list-floor-title::before,
.facility-select-floor-title::before {
    content: '';
    width: var(--spacing-sm);
    height: var(--spacing-sm);
    border-radius: var(--radius-full);
    background: var(--color-primary);
    box-shadow: 0 0 var(--spacing-sm) rgba(var(--color-primary-rgb), 0.5);
}

.facility-list-item,
.facility-select-item {
    padding: 10px var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-panel-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.facility-list-item:first-of-type {
    margin-top: var(--spacing-sm);
}

.facility-list-item:last-child,
.facility-select-item:last-child {
    margin-bottom: var(--spacing-sm);
}

.facility-list-item {
    margin: var(--spacing-xs) var(--spacing-sm);
}

.facility-list-item:hover,
.facility-select-item:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    border-left-color: var(--color-primary);
    transform: translateX(var(--spacing-xs));
}

.facility-list-item-category,
.facility-select-item-category {
    color: var(--color-primary);
    font-size: 0.85em;
    font-weight: 500;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.facility-select-item-category {
    font-size: 0.9em;
}

.facility-list-item-name,
.facility-select-item-name {
    color: var(--text-tertiary);
    font-size: 0.8em;
    opacity: 0.8;
}

.facility-select-item-name {
    font-size: 0.82em;
    margin-top: 2px;
    opacity: 1;
}

.facility-list-group {
    margin-bottom: var(--spacing-sm);
}

.facility-list-group-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 10px;
    background: rgba(var(--color-primary-rgb), 0.15);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border-left: none;
    margin-bottom: var(--spacing-xs);
}

.facility-list-group-header:hover {
    background: rgba(var(--color-primary-rgb), 0.25);
}

.facility-list-group-title {
    color: var(--color-primary);
    font-size: 0.85em;
    font-weight: 500;
    flex: 1;
}

.facility-list-group-count {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-left: var(--spacing-sm);
}

.facility-list-group-toggle {
    color: var(--color-primary);
    font-size: 0.75em;
    margin-left: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.facility-list-group-content {
    padding-left: 10px;
    margin-top: var(--spacing-xs);
}

.facility-count {
    font-weight: normal;
    opacity: 0.7;
    font-size: 0.85em;
}

.facility-list-item-number {
    display: inline-block;
    background: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-primary);
    font-size: 0.8em;
    font-weight: 600;
    padding: 2px var(--spacing-sm);
    border-radius: var(--spacing-xs);
    margin-left: var(--spacing-sm);
}

/* ============================================
   トースト通知
   ============================================ */
.toast {
    position: fixed;
    top: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--bg-panel);
    backdrop-filter: blur(var(--blur-md));
    color: var(--text-primary);
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-md);
    font-family: var(--font-family-alt);
    font-size: 0.9em;
    z-index: var(--z-toast);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-message {
    color: var(--text-primary);
    text-align: center;
}

/* ============================================
   施設選択パネル
   ============================================ */
.facility-select-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: var(--radius-3xl);
    z-index: var(--z-overlay);
    border: 1px solid var(--border-color-primary);
    box-shadow: var(--shadow-3xl), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    width: 380px;
    max-height: 75vh;
    display: flex;
    flex-direction: column;
    animation: fadeInScale 0.25s ease-out;
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.facility-select-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(30, 41, 59, 0.3);
    border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
}

.facility-select-header h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.facility-select-header .selection-type {
    font-size: 0.75em;
    padding: var(--spacing-xs) 10px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.25), rgba(22, 163, 74, 0.2));
    color: #4ade80;
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.facility-select-header .selection-type.end {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.25), rgba(220, 38, 38, 0.2));
    color: var(--color-danger-light);
}

.facility-select-content {
    padding: var(--spacing-2xl);
    overflow-y: auto;
    flex: 1;
}

.facility-select-floor-items {
    padding: var(--spacing-sm);
}

.facility-select-item {
    padding: var(--spacing-md) var(--spacing-xl);
}

/* ============================================
   ナビゲーションモーダル
   ============================================ */
.navigation-modal {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 320px;
    max-height: calc(100vh - 30px);
    border-radius: var(--radius-3xl);
    z-index: var(--z-modal);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
    display: flex;
    flex-direction: column;
    animation: slideInRight var(--transition-normal) ease-out;
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.navigation-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-3xl);
    border-bottom: var(--border-width) solid var(--border-color-primary);
    background: var(--bg-panel-dark);
    border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
}

.navigation-modal-header h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.15em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navigation-modal-header h3::before {
    content: '🧭';
    font-size: 1.2em;
}

.navigation-close-btn {
    padding: var(--spacing-sm);
    font-size: 1em;
}

.navigation-steps {
    padding: var(--spacing-2xl) var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.navigation-step {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--bg-panel-dark);
    border-radius: var(--spacing-md);
    border-left: 3px solid transparent;
    transition: var(--transition-fast);
    position: relative;
}

.navigation-step:hover {
    background: rgba(30, 41, 59, 0.6);
    border-left-color: var(--color-primary);
}

.navigation-step:last-child {
    margin-bottom: 0;
}

.navigation-step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.3), var(--color-primary-light));
    border: 2px solid rgba(var(--color-primary-rgb), 0.5);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.9em;
}

.navigation-step.start .navigation-step-number {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    border-color: var(--color-success);
    color: white;
}

.navigation-step.end .navigation-step-number {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-dark));
    border-color: var(--color-danger);
    color: white;
}

.navigation-step-content {
    flex: 1;
}

.navigation-step-direction {
    color: var(--text-secondary);
    font-size: 0.95em;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navigation-step-direction-icon {
    font-size: 1.2em;
}

.navigation-step-details {
    color: var(--text-muted);
    font-size: 0.82em;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.navigation-step-floor {
    display: inline-block;
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    font-size: 0.75em;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.navigation-step-facility {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) 10px;
    background: var(--bg-panel-light);
    border-radius: var(--radius-md);
    font-size: 0.8em;
}

.navigation-step-facility-icon {
    font-size: 1.1em;
}

.navigation-step-facility-name {
    color: var(--text-tertiary);
    font-weight: 500;
}

.navigation-summary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
    border: 1px solid var(--border-color-primary);
}

.navigation-summary-label {
    color: var(--text-muted);
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.navigation-summary-value {
    color: var(--text-secondary);
    font-size: 1.1em;
    font-weight: 700;
}

/* ============================================
   レスポンシブデザイン
   ============================================ */
@media (max-width: 768px) {
    .info-panel {
        max-width: calc(100vw - 30px);
        min-width: 240px;
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
    
    .route-search-panel {
        max-width: calc(100vw - 30px);
        min-width: 280px;
        padding: var(--spacing-xl);
    }
    
    .facility-list-panel {
        width: calc(100vw - 30px);
        max-width: 360px;
    }
    
    .hierarchy-toggle-row {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }
    
    .toggle-label {
        font-size: 0.85em;
    }
    
    .navigation-modal {
        width: calc(100vw - 100px);
        max-width: 320px;
        right: var(--spacing-lg);
        top: var(--spacing-lg);
        max-height: 60vh;
    }
    
    .navigation-steps {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .navigation-step {
        padding: 10px;
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .navigation-modal {
        width: calc(100vw - 80px);
        max-width: 280px;
        max-height: 50vh;
    }
}

/* ============================================
   テキスト・ラベルクラス（インラインスタイル統一用）
   ============================================ */
.station-line-name {
    font-size: 1.0em;
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.station-main-name {
    font-size: 1.2em;
    display: block;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 700;
}

.label-inline {
    display: block;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 500;
}

.label-section-title {
    color: var(--color-primary);
    font-weight: 500;
}

.label-floor-select {
    display: block;
    margin-bottom: 6px;
    color: var(--text-tertiary);
    font-size: 0.85em;
}

.route-search-title {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.1em;
    font-weight: 600;
}

.visibility-hidden {
    display: none;
}

.visibility-hidden.show {
    display: block;
}

.facility-group-hidden {
    display: none;
}

.facility-group-hidden.show {
    display: block;
}